package com.cq.dao;

import com.cq.pojo.LoginUser;
import org.apache.ibatis.annotations.Param;

public interface LoginDao {

/*    LoginUser QueryLoginByStudent(@Param("username") Integer username,@Param("password") String password);
    LoginUser QueryLoginByEmp(@Param("username") Integer username,@Param("password") String password);
    LoginUser QueryLoginByAdmin(@Param("username") Integer username,@Param("password") String password);*/


    LoginUser selectByUsername(String username);
    LoginUser selectByUsernameByEmp(String username);
    LoginUser selectByUsernameByStudent(Integer username);

    LoginUser loginOut();
    
}
